2145302563 has 2 divisors, whose sum is σ = 2145302564. Its totient is φ = 2145302562.

The previous prime is 2145302527. The next prime is 2145302567. The reversal of 2145302563 is 3652035412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145302563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2145302567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072651281 + 1072651282.

It is an arithmetic number, because the mean of its divisors is an integer number (1072651282).

Almost surely, 2^2145302563 is an apocalyptic number.

2145302563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145302563 is an equidigital number, since it uses as much as digits as its factorization.

2145302563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2145302563 is about 46317.4110135703. The cubic root of 2145302563 is about 1289.7222251100.

Adding to 2145302563 its reverse (3652035412), we get a palindrome (5797337975).

The spelling of 2145302563 in words is "two billion, one hundred forty-five million, three hundred two thousand, five hundred sixty-three".